Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {13, 11, 27, 9, 5, 7} → ______
- Prime numbers in {19, 2, 25, 8, 29, 12} → ______
- Prime numbers in {12, 19, 5, 3, 2, 21} → ______
- Prime numbers in {17, 13, 3, 19, 2, 15} → ______
- Prime numbers in {5, 27, 17, 11, 13, 15} → ______
- Prime numbers in {12, 9, 3, 23, 29, 19} → ______
- Prime numbers in {21, 9, 13, 5, 19, 11} → ______
- Prime numbers in {25, 11, 27, 2, 7, 8} → ______
- Prime numbers in {2, 3, 25, 13, 11, 19} → ______
- Prime numbers in {27, 21, 5, 23, 17, 12} → ______
- Prime numbers in {3, 19, 25, 13, 2, 29} → ______
- Prime numbers in {17, 11, 25, 23, 9, 13} → ______
- Prime numbers in {13, 2, 3, 23, 9, 19} → ______
- Prime numbers in {27, 9, 12, 29, 11, 25} → ______
- Prime numbers in {21, 27, 13, 23, 17, 11} → ______
- Prime numbers in {8, 23, 13, 12, 11, 15} → ______
- Prime numbers in {21, 7, 11, 8, 23, 15} → ______
- Prime numbers in {5, 21, 9, 13, 17, 11} → ______
- Prime numbers in {29, 27, 5, 8, 19, 11} → ______
- Prime numbers in {15, 27, 8, 23, 7, 12} → ______